/**
 * Copyright (c) 2014 Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.baidu.rigel.biplatform.ac.util;

import java.math.BigDecimal;

/**
 * Bigdecimal操作相关工具方法
 * @author xiaoming.chen
 *
 */
public class BigDecimalUtils {
    
    /**
     * 2个BigDecimal相加
     * 
     * @param a 加数
     * @param b 被加数
     * @return 相加后的BigDecimal
     */
    public static BigDecimal addBigDecimal(BigDecimal a, BigDecimal b) {
        if (a == null) {
            return b;
        } else if (b == null) {
            return a;
        } else {
            return a.add(b);
        }
    }

}
